Home / 5,336.70-7,999.58-2,218.51

Finding the Fourth Proportional to 5,336.70, 7,999.58 and 2,218.51

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Solution

The fourth proportional to 5,336.70, 7,999.58 and 2,218.51 is: 3,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.70 : 7,999.58 = 2,218.51 : x
  2. Step 2: Convert to fraction form
    5,336.70/7,999.58 = 2,218.51/x
  3. Step 3: Cross multiply
    5,336.70x = 7,999.58 × 2,218.51
  4. Step 4: Simplify right side
    5,336.70x = 17,747,147.13
  5. Step 5: Solve for x
    x = 17,747,147.13/5,336.70
  6. Step 6: Final answer
    x = 3,325.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.